ytdl-sub author here, I kindly disagree calling it a child's version of TA 🙂 Minus the elastic-search/player, its scraping features I think are a superset of TA while being incredibly lightweight (at the cost of being a CLI tool).

I too am a connoisseur of music vids and concerts, it's actually one of the main reasons I built ytdl-sub. Feel free to ping me with any questions - happy to help